FIx grub2 after win10 installation

gistfile1.txt

sudo mount /dev/sdXXX /mnt
sudo mount /dev/sdXX /mnt/boot/efi
for i in /dev /dev/pts /proc /sys /run; do sudo mount -B $i /mnt$i; done
sudo chroot /mnt
grub-install /dev/sdX
update-grub

Put this in your /etc/grub.d/40_custom file:

menuentry 'Windows 10' {
    search --fs-uuid --no-floppy --set=root D464-A236
    chainloader (${root})/EFI/Microsoft/Boot/bootmgfw.efi
}


grub-mkconfig -o /boot/grub.cfg

blkid

https://ihaveabackup.net/article/grub2-entry-for-windows-10-uefi

dracut -f --no-kernel